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A compass is a navigational instrument that measures directions in a frame of reference that is stationary relative to the surface of the earth. The frame of reference defines the four cardinal directions (or points) – north, south, east, and west. Intermediate directions are also defined. Usually, a diagram called a compass rose, which shows the directions (with their names usually abbreviated to initials), is marked on the compass.
CompassMagnetic devicesNavigationChinese inventions

Anatomical terms of location
Standard anatomical terms of location are designations employed in science that deal with the anatomy of animals to avoid ambiguities that might otherwise arise. They are not language-specific, and thus require no translation. They are universal terms that may be readily understood by zoologists who speak any language. While these terms are standardized within specific fields of biology, they can differ dramatically from one discipline to another.
Anatomical terms of locationMedical termsAnimal anatomyAnatomy

Self-governance is an abstract concept that refers to several scales of organization. It may refer to personal conduct or family units but more commonly refers to larger scale activities, i.e. , professions, industry bodies, religions and political units (usually referred to as Local Government), up to and including autonomous regions and aboriginal peoples (or others within nation-states who enjoy some sovereign rights).
Self-governanceForms of governmentSovereigntyAutonomy

Boxing the compass
Boxing the compass is the action of naming all thirty-two clockwise points of the compass in order. Such names are formed by the initials of the cardinal directions and their intermediate ordinal directions, and are very handy to refer to a heading in a general or colloquial fashion, without having to resort to computing or recalling degrees. For most applications, the minor points have been superseded by degrees measured clockwise from North.
Boxing the compassNavigational equipmentOrientation

Cardinal direction
The four cardinal directions or cardinal points are the directions of north, east, south, and west, commonly denoted by their initials: N, E, S, W. East and west are at right angles to north and south, with east being in the direction of rotation and west being directly opposite. Intermediate points between the four cardinal directions form the points of the compass.
Cardinal directionOrientation

Degrees of freedom (mechanics)
In mechanics, the degree of freedom (DOF) of a mechanical system is the number of independent parameters that define its configuration. Degree of freedom is a fundamental concept central to the analysis of systems of bodies in mechanical engineering, aeronautical engineering, robotics, and structural engineering. It is the number of parameters that determine the state of a physical system.
Degrees of freedom (mechanics)Rigid bodiesMechanicsRobot kinematics

Rail directions
Railroad directions are used to describe train directions on railroad systems. The terms used may be derived from such sources as compass directions, altitude directions, or other directions. However, the railroad directions frequently vary from the actual directions, so that, for example, a "northbound" train may really be headed west, or a train going "down" may actually be increasing its elevation. Directions are often specific to system, country, or region.
Rail directionsRail transport

Association for Psychological Science
The Association for Psychological Science (APS), previously the American Psychological Society, is a non-profit international organization whose mission is to promote, protect, and advance the interests of scientifically oriented psychology in research, application, teaching, and the improvement of human welfare. APS is dedicated to the advancement of scientific psychology and its representation globally.
Association for Psychological ScienceOrganizations established in 1988Psychology organizations

Vertical direction
In astronomy, geography, geometry and related sciences and contexts, a direction passing by a given point is said to be vertical if it is locally aligned with the gradient of the gravity field, i.e. , with the direction of the gravitational force (per unit mass, i.e. gravitational acceleration vector) at that point. In general, something that is vertical can be drawn from up to down (or down to up), such as the y-axis in the Cartesian coordinate system.
Vertical directionGeodesyOrientationGeometryCelestial coordinate system

Diffie–Hellman key exchange

Diffie–Hellman key exchange

New Directions Publishing
New Directions Publishing Corp. is an independent book publishing company that was founded in 1936 by James Laughlin. The company was incorporated in 1964 as the New Directions Publishing Corporation and operates from New York City, and its books today are distributed by WW Norton & Company. Its offices are located at 80 8th Avenue. It publishes about 30 books annually.
New Directions PublishingPublishing companies established in 1936Book publishing companies based in New YorkCompanies based in New York City

Matthew Fontaine Maury
Matthew Fontaine Maury (January 14, 1806 – February 1, 1873), United States Navy was an American astronomer, historian, oceanographer, meteorologist, cartographer, author, geologist, and educator.
Matthew Fontaine MauryScience and technology in the United States1806 birthsPeople from Spotsylvania County, VirginiaAmerican educatorsAmerican earth scientistsPresidents of the University of AlabamaAmerican non-fiction writersUnited States Navy officersAmerican science writersAmerican scientistsAmerican astronomersPeople of Virginia in the American Civil WarAmerican oceanographersAmerican geographersMicroscopistsAmerican people of Dutch descent1873 deathsAmerican people of French descent

Four Heavenly Kings
In the Buddhist faith, the Four Heavenly Kings are four gods, each of whom watches over one cardinal direction of the world.
Four Heavenly KingsBuddhist cosmologyLokapalas

Duplex (telecommunications)
A duplex communication system is a point-to-point system composed of two connected parties or devices that can communicate with one another in both directions simultaneously. An example of a duplex device is a telephone. The people at both ends of a telephone call can speak at the same time, the earphone can reproduce the speech of the other person as the microphone transmits the speech of the local person, because there is a two-way communication channel between them.
Duplex (telecommunications)Communication circuits

Dimension (vector space)
In mathematics, the dimension of a vector space V is the cardinality (i.e. the number of vectors) of a basis of V. For every vector space there exists a basis (if one assumes the axiom of choice), and all bases of a vector space have equal cardinality; as a result the dimension of a vector space is uniquely defined. We say V is finite-dimensional if the dimension of V is finite.
Dimension (vector space)DimensionVectorsLinear algebra

Encirclement is a military term for the situation when a force or target is isolated and surrounded by enemy forces. The German term for this is Kesselschlacht ("cauldron battle"); a comparable English term might be "in the bag". This situation is highly dangerous for the encircled force: at the strategic level, because it cannot receive supplies or reinforcements, and on the tactical level, because the units in the force can be subject to an attack from several sides.
EncirclementManeuver tacticsMilitary strategyMilitary tactics

Miller index
Miller indices form a notation system in crystallography for planes and directions in crystal (Bravais) lattices. In particular, a family of lattice planes is determined by three integers h, k, and ℓ, the Miller indices. They are written (hkℓ), and each index denotes a plane orthogonal to a direction (h, k, ℓ) in the basis of the reciprocal lattice vectors. By convention, negative integers are written with a bar, as in 3 for −3. The integers are usually written in lowest terms, i.e.
Miller indexCrystallographyGeometry

Glossary of musical terminology
This is a list of musical terms that are likely to be encountered in printed scores, music reviews, and program notes. Most of the terms are Italian, in accordance with the Italian origins of many European musical conventions. Sometimes, the special musical meanings of these phrases differ from the original or current Italian meanings. Most of the other terms are taken from French and German, indicated by "(Fr)" and "(Ger)", respectively. Others are from languages such as Latin and Spanish.
Glossary of musical terminologyGlossaries of musicItalian languageMusical terminology

Relative direction
The most common relative directions are left, right, forward(s), backward(s), up, and down. No absolute direction corresponds to any of the relative directions. This is a consequence of the translational invariance of the laws of physics: nature, loosely speaking, behaves the same no matter what direction one moves. As demonstrated by the Michelson-Morley null result, there is no absolute inertial frame of reference. There are definite relationships between the relative directions, however.
Relative directionOrientation

Four Symbols (Chinese constellation)
The Four Symbols are four mythological creatures in the Chinese constellations. They are the Azure Dragon of the East, the Vermilion Bird of the South, the White Tiger of the West, and the Black Tortoise of the North. Each one of them represents a direction and a season, and each has its own individual characteristics and origins. They have been portrayed in many historical Chinese and Korean myths and fiction, and also appear in many modern manga and anime.
Four Symbols (Chinese constellation)Chinese mythologyAstrological signsNumeric epithetsChinese astrologyChinese constellationsAsian legendary creatures

Tangent vector
For a more general, but much more technical, treatment of tangent vectors, see tangent space. A tangent vector is a vector that is tangent to a curve or surface at a given point. Tangent vectors are described in the differential geometry of curves in the context of curves in R. More generally, tangent vectors are elements of a tangent space of a differentiable manifold.
Tangent vectorVectors

Bi-directional text
Bi-directional text is text containing text in both text directionalities, both right-to-left (RTL) and left-to-right (LTR). It generally involves text containing different types of alphabets, but may also refer to boustrophedon, which is changing text directionality in each row.
Bi-directional textUnicode algorithmsCharacter encodingInternationalization and localization

Horizontal and vertical writing in East Asian scripts
Many East Asian scripts can be written horizontally or vertically. The Chinese, Japanese and Korean scripts can be oriented in either direction, as they consist mainly of disconnected syllabic units, each occupying a square block of space. On the other hand the traditional Mongolian script and its offshoots are written vertically.
Horizontal and vertical writing in East Asian scriptsJapanese writing systemChinese-language computingChinese charactersKorean languageNatural language and computing

Wind direction
Wind direction is reported by the direction from which it originates. For example, a northerly wind blows from the north to the south. Wind direction is usually reported in cardinal directions or in azimuth degrees. So, for example, a wind coming from the south is given as 180 degrees; one from the east is 90 degrees.
Wind directionWind

History of the Han Dynasty
The Han Dynasty (206 BCE – 220 CE), founded by the peasant rebel leader Liu Bang (known posthumously as Emperor Gaozu), was the second imperial dynasty of China. It followed the Qin Dynasty (221–206 BCE), which had unified the Warring States of China by conquest. Interrupted briefly by the Xin Dynasty (9–23 CE) of Wang Mang, the Han Dynasty is divided into two periods: the Western Han (206 BCE – 9 CE) and the Eastern Han (25–220 CE).
History of the Han DynastyThree KingdomsQin DynastyHan Dynasty

Turn-by-turn navigation
Turn-by-turn navigation is a feature of some GPS navigation devices where directions for a selected route are continually presented to the user in the form of spoken and visual instructions. The system keeps the user up-to-date about the best route to the destination, and is often updated according to changing factors such as traffic and road conditions.
Turn-by-turn navigationNavigationWireless locatingGPSSatellite navigation systems

Principal curvature
In differential geometry, the two principal curvatures at a given point of a surface are the eigenvalues of the shape operator at the point. They measure how the surface bends by different amounts in different directions at that point.
Principal curvatureDifferential geometry of surfacesSurfacesCurvature (mathematics)

Cathedral floorplan
In Western ecclesiastical architecture, a cathedral diagram is a floor plan showing the sections of walls and piers, giving an idea of the profiles of their columns and ribbing. Light double lines in perimeter walls indicate glazed windows. Dashed lines show the ribs of the vaulting overhead. By convention, ecclesiastical floorplans are shown map-fashion, with north to the top and the liturgical east end to the right.
Cathedral floorplanChurch architectureDiagrams

Direction (geometry)
Direction is the information contained in the relative position of one point with respect to another point without the distance information. Directions may be either relative to some indicated reference (the violins in a full orchestra are typically seated to the left of the conductor), or absolute according to some previously agreed upon frame of reference (New York City lies due west of Madrid). Direction is often indicated manually by an extended index finger or written as an arrow.
Direction (geometry)Elementary geometryOrientation

Characters of Glee
Glee is a musical comedy-drama television series that airs on Fox in the United States. It focuses on the high school glee club New Directions competing on the show choir competition circuit, while its members deal with relationships, sexuality and social issues.
Characters of GleeGlee (TV series) charactersLists of television characters

Optic axis of a crystal
The optic axis of a crystal is the direction in which a ray of transmitted light suffers no birefringence (double refraction). Due to the internal structure of the crystal (the specific structure of the crystal lattice, the form of atoms or molecules of its components), light behaves differently when propagating along the optic axis than in other directions. Light propagating along the optic axis of a uniaxial crystal, has no unusual results.
Optic axis of a crystalPolarizationOptical mineralogy

Guardians of the directions
The Guardians of the Directions are the deities who rule the specific directions of space according to Hinduism and Vajrayāna Buddhism—especially Kālacakra. As a group of eight deities, they are called Aṣṭa-Dikpāla (अष्ट-दिक्पाल), literally meaning guardians of eight directions. They are often augmented with two extra deities for the ten directions (the two extra directions being zenith and nadir), when they are known as the Daśa-dikpāla.
Guardians of the directionsBuddhist cosmologySanskrit words and phrasesLokapalasHindu godsGuardians of the directions

Traffic Signs Regulations and General Directions
The Traffic Signs Regulations and General Directions (commonly abbreviated to TSRGD) is the law that sets out the design and conditions of use of official traffic signs that can be lawfully placed on or near roads in England, Scotland, Wales, and the Isle of Man.
Traffic Signs Regulations and General DirectionsRoads in the United Kingdom2002 in law2002 in the Isle of ManManx lawTraffic lawEnglish lawTransport policy in the United KingdomStatutory Instruments of the United Kingdom2002 in the United Kingdom

Passage Meditation
Meditation, also published as Passage Meditation, is a 1978 book by Eknath Easwaran. It describes a meditation program developed by Easwaran from the 1960s, first taught systematically by him at the University of California, Berkeley. The program is an eight-point program intended for the "spiritual growth" of the practitioner.
Passage MeditationBooks about spiritualityMeditation1978 booksWorks by Eknath EaswaranAmerican non-fiction books

Counter-rotating propellers
Counter-rotating propellers, found on twin- and multi-engine propeller-driven aircraft, spin in directions opposite one another. The propellers on both engines of most conventional twin-engined aircraft spin clockwise (as viewed from the pilot seat). Counter-rotating propellers generally spin clockwise on the left engine and counter-clockwise on the right.
Counter-rotating propellersAircraft enginesPropellers

Madly Off in All Directions
Madly Off in All Directions was a Canadian radio comedy show that aired for several years on CBC Radio One, featuring comedian Lorne Elliott. It formerly aired Sunday afternoons at 1PM, as well as on Saturday evenings on 6:30PM with repeats on Friday mornings at 11 AM. It was replaced in September 2006 by a comedy show The Debaters. The show travelled around Canada, recording in front of a live audience at various local venues.
Madly Off in All DirectionsCBC Radio One programsCanadian comedy radio programsRadio sketch shows



Sailing Directions
Sailing Directions is a 42-volume American navigation publication published by the National Geospatial-Intelligence Agency (NGA). Sailing Directions consists of 37 Enroute volumes, 4 Planning Guide volumes, and 1 volume combining both types.
Sailing DirectionsNavigationHydrographySailing books

Direction of movement
In ballroom dancing (as well as in other types of partner dance), directions of (progressive) movement, in particular, directions of steps, can be indicated either in relation to the room or in relation to the body position. Directions of turns, although there are only two of them, may also be indicated in several ways.
Direction of movementPartner dance technique

Viewing cone
[edit] Viewing direction When a visual display with non-vanishing size is seen by an observer, every point of the display area is seen from a different direction as illustrated in fig. 1. No two spots on the display are seen from the same direction. The larger the display is and the closer the observer is to the display the more the viewing direction varies over the surface area of the display. Colloquially, the viewing direction is often called "viewing angle".
Viewing coneLiquid crystal displaysDisplay technology

Inner/outer directions
Inner/outer directions are labels that identify the direction of travel on opposing lanes of traffic on certain ring roads and beltways. They can be used to sign individual routes that encircle a city or metropolitan area, where east–west and north–south orientations cannot be applied uniformly. The labels are also used in select double track rail systems that form a loop, indicating the direction of travel of each line.
Inner/outer directionsRoad transportOrbital roads

Stage directions

Stage directions

Wikipedia:Avoid instruction creep

Wikipedia:Avoid instruction creep

Stage direction

Stage direction

Directions In Groove
Directions In Groove (DIG) were a popular Australian acid jazz band originally from the suburb of Redfern in Sydney, who produced several distinctive acid-jazz / groove / funk albums in the 1990s. DIG released several albums on the EMI Australia and Polygram labels, with "Speakeasy" and "Deeper" achieving double platinum status. DIG have also toured the world, playing alongside artists such Herbie Hancock and Bootsy Collins.
Directions In GrooveAustralian jazz ensemblesNew South Wales musical groupsAcid jazz ensemblesFunk musical groups

New Directions

New Directions

Patient Group Directions
Patient Group Directions (PGDs) are documents (in the English National Health Service) permitting the supply of prescription-only medicines (POMs) to groups of patients, without individual prescriptions. PGDs have been used to make certain POMs available to the public, under certain circumstances.
Patient Group DirectionsPharmaceuticals policy

Direction of fit
The technical term direction-of-fit is used to describe the distinctions that are offered by two related sets of opposing terms: The more general set of mind-to-world (i.e. , mind-to-fit-world, not from-mind-to-world) vs. world-to-mind (i.e. , world-to-fit-mind) used by philosophers of mind, and The narrower, more specific set, word-to-world (i.e. , word-to-fit-world) vs. world-to-word (i.e. , world-to-fit-word) used by advocates of speech act theory.
Direction of fitPhilosophy of languagePhilosophy of mind

Nicola Conte
Nicola Conte is an Italian DJ, producer, guitarist, and bandleader, known initially for introducing an innovative style of acid jazz that incorporates bossa nova themes, melodies drawn from Italian film scores of the 1960s, easy listening themes, and ethnic Indian music. Recently, he has focused much more on latin jazz, in his albums Other Directions and Rituals, and many remixes he has done for contemporaries stretching across many closely related genres.
Nicola ConteLiving peoplePutumayo DepartmentFar Out Recordings artistsYear of birth missing (living people)Club DJsVirgin Records artistsItalian electronic musiciansAcid jazz musiciansItalian Roman CatholicsItalian DJsSchema Records artistsBlue Note Records artists

Eliza Leslie
Eliza Leslie [frequently referred to as Miss Leslie] (November 15, 1787 – January 1, 1858) was an American author of popular cookbooks during the nineteenth century. She gained popularity for her books on etiquette as well.
Eliza LesliePeople from Philadelphia, Pennsylvania1787 birthsAmerican food writers1858 deaths